Ione, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ione, a city in Morrow County, Oregon.
This Afternoon
50°F
Mostly Cloudy
Mostly cloudy. High near 50, with temperatures falling to around 45 in the afternoon. East wind around 2 mph.
7-day forecast for Ione
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 50°F | Mostly Cloudy | 2 mph E | 1% |
| Tonight | 34°F | Partly Cloudy | 2 to 6 mph S | 1% |
| Wednesday | 54°F | Sunny | 2 to 6 mph W | 1% |
| Wednesday Night | 42°F | Rain Showers Likely | 3 to 9 mph SW | 56% |
| Thursday | 59°F | Mostly Sunny | 5 to 14 mph W | 4% |
| Thursday Night | 39°F | Partly Cloudy | 7 mph SW | 4% |
| Friday | 58°F | Mostly Cloudy | 7 mph SW | 4% |
| Friday Night | 41°F | Mostly Cloudy | 7 mph SW | 3% |
| Saturday | 58°F | Partly Sunny | 6 mph NE | 1% |
| Saturday Night | 42°F | Mostly Cloudy | 5 to 9 mph S | 9% |
| Sunday | 61°F | Mostly Cloudy | 6 to 12 mph SW | 12% |
| Sunday Night | 41°F | Mostly Cloudy | 6 mph SW | 7% |
| Monday | 55°F | Mostly Cloudy | 3 mph W | 7% |
| Monday Night | 41°F | Mostly Cloudy | 2 to 6 mph W | 10% |
Forecast source: National Weather Service (api.weather.gov) for Ione (45.503, -119.822). Updated through the day.
Growing snapshot for Ione
Last spring frost
Apr 26
First fall frost
Oct 19
Growing season
174 days
Hardiness zone
7b
More local growing data for Ione: nearby ZIP 97843 weather · frost dates · planting calendar · Oregon frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Heppner, Or (18.1 mi from Ione). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.